David K. Joyce Minerals

Mont Saint-Hilaire, Synchysite-(Ce)

All of these specimens have excellent well formed crystals of this interesting mineral. The matrices are all composed of interlocking sharp albite crystals and the synchysites are in spaces between the crystals and cavities. Great!

All prices in Canadian dollars. For payment in US$, deduct 20% or multiply by 0.8.

Click on any of the following thumbnails to view a larger image of the specimen.

Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #8460
  • Synchysite-(Ce)
  • various cm
  • Largest Crystal Size: micro <1mm
  • $35.00
  • Mont Saint Hilaire

  • Quebec, Canada
  • There are synchysite crystals like these on all of the siderite specimens. The synchysite crystals are usually on the siderite crystals or on the brown areas that are some sort of pseudomorph. I do have separate specimens with excellent synchysite/albite specimens for $35.00 each.
Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #12986
  • Synchysite-(Ce)
  • 2.9x2.1x1.3 cm
  • Largest Crystal Size: 1mm
  • $30.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • Lots of sharp crystals of synchysite are present on this specimen. Some are damaged but there are lots in the protected areas of the specimen that ate pristine and very photogenic!
Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #12974
  • Synchysite-(Ce)
  • 4.6x3.9x1.7 cm
  • Largest Crystal Size: 1.5mm
  • $40.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • Lots of sharp, brownish synchysite crystals are scattered about this white matrix as single crystals and clusters. Lots to look at!
Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #12975
  • Synchysite-(Ce)
  • 4.6x2.4x2.4 cm
  • Largest Crystal Size: 1mm
  • $35.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A couple of nice crystals and clusters of synchysite crystals on this specimen. Sharp!
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16827
  • Synchysite-(Ce), Brookite
  • 5.2x3.2x2.7 cm
  • Largest Crystal Size: micro
  • $40.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Excellent clusters and individual micro crystals of synchysite and lots of excellent brookite and siderite crystals are scattered in openings in this matrix of interlocking albite crystals.
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16825
  • Synchysite-(Ce), Brookite
  • 4.0x3.6x3.0 cm
  • Largest Crystal Size: micro
  • $40.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Lots of clusters of synchysite crystals are present along with well formed crystals of brookite, siderite and calcite in the openings around this piece.
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16829
  • Synchysite-(Ce), Brookite
  • 5.2x2.6x3.2 cm
  • Largest Crystal Size: micro
  • $40.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Lots of crystals of these minerals in the spaces between albite crystals on this specimen.
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16831
  • Synchysite-(Ce), Brookite
  • 3.9x2.6x2.1 cm
  • Largest Crystal Size: micro
  • $55.00
  • Mont Saint-Hilaire
  • Monteregie
    Canada
  • Some nice crystals of sunchysite and brookite on this specimen. More importantly, though, there is an excellent crystal of UK -..... a new mineral of the Ewaldite/donnayite group that has yet to be described.
Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #16832
  • Synchysite-(Ce)
  • 4.5x2.7x2.2 cm
  • Largest Crystal Size: 1mm
  • $50.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • This matrix of calcite and calcite crystals supports larger synchysite crystals in very sharp crystals. Very nice!
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16836
  • Synchysite-(Ce), Brookite
  • 5.4x5.4x4.4 cm
  • Largest Crystal Size: micro
  • $40.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Very nice clusters and single crystals of synchysite in the various cavities of this mostly albite matrix. Excellent example!
Synchysite-(Ce)Mont Saint-Hilaire, Synchysite-(Ce)
  • Item #16838
  • Synchysite-(Ce)
  • 3.2x2.6x1.7 cm
  • Largest Crystal Size: micro
  • $35.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Some nice synchysite crystals in cavities in albite matrix. Very good examples of this mineral.
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16840
  • Synchysite-(Ce), Brookite
  • 3.6x3.7x3.0 cm
  • Largest Crystal Size: micro
  • $45.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Many nice crystals of synchysite and brookite on this specimen in spaces between brookite crystals. Very good!
Synchysite-(Ce), BrookiteMont Saint-Hilaire, Synchysite-(Ce)
  • Item #16842
  • Synchysite-(Ce), Brookite
  • 3.8x4.2x3.4 cm
  • Largest Crystal Size: micro
  • $45.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • Lots of sharp, photogenic synchysite crystals and metallic brookite crystals in albite matrix. Really nice!